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286542379 is a prime number
BaseRepresentation
bin10001000101000…
…100101000101011
3201222011212020201
4101011010220223
51041323324004
644233333031
710046366344
oct2105045053
9658155221
10286542379
11137822592
127bb67177
1347498506
142a0ad0cb
151a2516a4
hex11144a2b

286542379 has 2 divisors, whose sum is σ = 286542380. Its totient is φ = 286542378.

The previous prime is 286542343. The next prime is 286542419. The reversal of 286542379 is 973245682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 286542379 - 213 = 286534187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (286542329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143271189 + 143271190.

It is an arithmetic number, because the mean of its divisors is an integer number (143271190).

Almost surely, 2286542379 is an apocalyptic number.

286542379 is a deficient number, since it is larger than the sum of its proper divisors (1).

286542379 is an equidigital number, since it uses as much as digits as its factorization.

286542379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 286542379 is about 16927.5627011097. The cubic root of 286542379 is about 659.2694541394.

The spelling of 286542379 in words is "two hundred eighty-six million, five hundred forty-two thousand, three hundred seventy-nine".